Finding the Fourth Proportional to 56,595.42, 84,900.42 and 17,145.58

Step by Step Solution

1. Step 1: Write the proportion equation
   56,595.42 : 84,900.42 = 17,145.58 : x
2. Step 2: Convert to fraction form
   56,595.42/84,900.42 = 17,145.58/x
3. Step 3: Cross multiply
   56,595.42x = 84,900.42 × 17,145.58
4. Step 4: Simplify right side
   56,595.42x = 1,455,666,943.14
5. Step 5: Solve for x
   x = 1,455,666,943.14/56,595.42
6. Step 6: Final answer
   x = 25,720.58